28173180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67079}}^1$

素因数の和:67098

約数の個数: 48

約数和(自身を含む): 90155520

約数和(自身を除く): 61982340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 67079, 134158, 201237, 268316, 335395, 402474, 469553, 670790, 804948, 939106, 1006185, 1341580, 1408659, 1878212, 2012370, 2347765, 2817318, 4024740, 4695530, 5634636, 7043295, 9391060, 14086590, 28173180]

約数ペア:

[(1, 28173180), (2, 14086590), (3, 9391060), (4, 7043295), (5, 5634636), (6, 4695530), (7, 4024740), (10, 2817318), (12, 2347765), (14, 2012370), (15, 1878212), (20, 1408659), (21, 1341580), (28, 1006185), (30, 939106), (35, 804948), (42, 670790), (60, 469553), (70, 402474), (84, 335395), (105, 268316), (140, 201237), (210, 134158), (420, 67079)]